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← Instruments
Sabtan Research Programme · Circular Statistics
V-test Dashboard
Test of preferred orientation for interacting fault sets — Najd Fault System
Drag the dial on the compass, or use the slider and presets, to set the test direction (μ₀). Bars and statistics update in real time.
Direction (μ₀)
μ₀
150°
SSE
Set direction
150°
Rift-parallel
Red Sea trend
60°
Rift-perpendicular
Opening-normal
330°
Anti-parallel
Opposite trend
Direction (μ₀): 150° (SSE)
0°90°180°270°360°
01 Live V-test results
SiteMean (°)|Δ| (°)rResult (1−p)Interpretation
Supported (p < 0.05)
Marginal (0.05 ≤ p < 0.10)
Not supported (p ≥ 0.10)
02 V-test statistics table
SitenMean (°) rVup-value1−pInterpretation
V-test (Berens, 2009) · Two-tailed · Real-time calculations